the powers that be

Are they just trying to get rid of all evil? Because that sounds impossible. Or are they just trying to get rid of Wolfram and Hart? Or do the not have an end goal? What do you think?

During "To Shanshu in LA", the season one finale of Angel, Voka states that it is his sole intention to "cut Angel off from the Powers that be". This signifies the importance of remaining connected to the powers, in Angel's case. What would have happened if Angel's direct link to the Powers...

Like what made them hurt so much, why were they so painful? was it because of what they were seeing, people being killed or injured? or did the powers that be make them painful for a reason? sorry if it's a stupid question, I'm just not understanding how they can be painful. Like getting...